Application of bioactivator to accelerate the production of compost from sugercane bagasse

In order to study the effect of bioactivator application to accelerate the production of compost from sugarcane wastes, an experiment was conducted as a complete randomized design with four replications in Safiabad Agricultural Research and Education and Natural Resources Center in 2020 (for one year). The treatments included: control (bagasse without the use of bioactivator) and the second to fourth treatment were the application of 0.5, 1 and 1.5% by weight of bioactivators in 100 kg bagasse, respectively. The results showed that, there was a significant difference between treatments at significance level of 5% in the terms of electrical conductivity (EC), organic carbon (OC), C/N (in sampling after 45 days) and Fe and Mn concentrations (in sampling after 60 days). Furthermore there was a significant difference between treatments at the level of 1% in terms of OC, C/N and Cu concentration (in sampling after 60 days). Studies also showed that the highest temperature (52 °C) was measured in 1.5 % treatment and the highest EC was measured in sampling after 45 days in 1% treatment (3.02 dS/m). The highest OC and C/N, were measured in sampling after 60 days (43.9% and 34.4) in 1.5 % treatment, respectively. Regarding the amount of elements in the final compost (in sampling after 60 days), the highest amount of Fe concentration (4581.5 mg. kg-1) was measured in 1 % treatment, Cu (15.25 mg. kg-1) and Mn (72.25 mg. kg-1) were measured in 1.5 % treatment and no significant difference was observed among the treatments in terms of nitrogen, phosphorus, potassium and zinc (Zn) concentrations at significance level of 5%. According to results of this study, the 1.5% treatment increase the speed and quality of compost produced from sugarcane waste (bagasse).